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Tag Archives | Biomarkers

Cognitive Changes May Predict Alzheimer’s Disease Development More Accurately Than Biomarkers

Compared with changes in biomarkers, changes in cognitive abilities appear to be stronger predictors of whether an individual with mild cognitive impairment (MCI) will develop Alzheimer’s disease, according to a report in the September issue of Archives of General Psychiatry, one of the JAMA/Archives journals.

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FMRI of brain

Weak Synchronization In Toddler Brains May Be A Biological Marker For Autism

The biological causes of autism are still not understood. A diagnosis of autism is only possible after ages three or four; and the tests are subjective, based on behavioral symptoms. Now, in research that appeared in Neuron, scientists at the Weizmann Institute of Science, Carnegie Mellon University, and the University of California, San Diego have […]

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patient undergoing an MRI

One Of The Largest fMRI Studies Of Autism Conducted Discovers Biomarker For Autism

Siblings of people with autism show a similar pattern of brain activity to that seen in people with autism when looking at emotional facial expressions. The University of Cambridge researchers identified the reduced activity in a part of the brain associated with empathy and argue it may be a ‘biomarker’ for a familial risk of […]

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Eric Courchesne, PhD

Brain Images Show That Irregular Connectivity And Synchronization May Be Early Sign Of Autism

In a novel imaging study of sleeping toddlers, scientists at the University of California, San Diego Autism Center of Excellence report that a diminished ability of a young brain’s hemispheres to “sync” with one another could be a powerful, new biological marker of autism, one that might enable an autism diagnosis at a very young […]

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a bowl of fresh fruit

Dietary Changes Appear To Affect Levels Of Biomarkers Associated With Alzheimer’s Disease

Following a low-saturated fat and low–glycemic index diet appears to modulate the risk of developing dementia that proceeds to Alzheimer’s disease (AD), although making a switch to this dietary pattern may not protect those already experiencing cognitive difficulty, according to a report in the June issue of Archives of Neurology, one of the JAMA/Archives journals.

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senior citizen

Alzheimer’s Disease Diagnostic Guidelines Revised For First Time In Nearly 30 Years

For the first time in 27 years, clinical diagnostic criteria for Alzheimer’s disease dementia have been revised, and research guidelines for earlier stages of the disease have been characterized to reflect a deeper understanding of the disorder. The National Institute on Aging/Alzheimer’s Association Diagnostic Guidelines for Alzheimer’s Disease outline some new approaches for clinicians and […]

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Researcher Frederica P. Perera, DrPH

Prenatal Exposure To Certain Pollutants Linked To Behavioral Problems In Young Children

Mothers’ exposure during pregnancy to pollutants created by the incomplete combustion of fossil fuels and other organic material may lead to behavioral problems in their children, according to a new study. Researchers found that within a sample of 215 children monitored from birth, those children with high levels of a pollution exposure marker in their […]

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telomeres

Chronic Stress Of Cancer Accelerates Cellular Changes, While Brief Counseling May Limit Damage

Results of a study presented at the AACR 102nd Annual Meeting 2011, held from April 2-6, lend credence to the idea that improving quality of life affects stress-related biological markers and possibly the health of people with cancer. Researchers know that telomeres shorten and deteriorate with aging, but they are learning that stress also affects […]

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